import cv2 as cv

img_ori = cv.imread('123.jpg')
# x,y,_ = img_ori.shape
# img_ori = img[0:x,0:y//2]
img_proc = cv.imread('image (5).png')
x,y,_ = img_proc.shape
img_proc = img_proc[0:x,y//2:y]
cv.imshow('ori',img_ori)
img_ori[323:375,115:361]  = img_proc[323:375,115:361]
print(img_ori.shape)
print(img_proc.shape)
cv.imshow('det',img_ori)
# cv.imshow("proc",img_proc)
cv.waitKey(0)